20687631 (number)

20687631 is an odd 8-digits composite number following 20687630 and preceding 20687632. In scientific notation, it is written as 2.0687631 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13731072 positive integers (up to 20687631) that are relatively prime to 20687631.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand six hundred thirty-one

Notation

Scientific notation 2.0687631 × 10^7
Engineering notation 2.0687631 × 10^6

Prime Factorization of 20687631

Prime Factorization 3 × 229 × 30113

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20687631
Product of the distinct prime numbers

The prime factorization of 20687631 is 3 × 229 × 30113. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 34, 2, 432, 543, 6174, 3296, 28152, 70924, 164189, 879753, 7616665, 3937192, 88705326, 23885997, 659500739, 962936867, 3250759252, 3985595779

Basic calculations (n = 20687631)

Multiplication

n×y
n×2 41375262
n×3 62062893
n×4 82750524
n×5 103438155

Division

n÷y
n÷2 10343815.5
n÷3 6895877
n÷3 5171907.75
n÷5 4137526.2

Exponentiation

ny
n2 427978076392161
n3 8.8538525204908E+21
n4 1.8316523387233E+29
n5 3.7892547703796E+36

Nth Root

y√n
2√n 4548.3657504647
3√n 274.5176381578
4√n 67.4415728647
5√n 29.049733478617

Divisors of 20687631

1, 3, 229, 687, 30113, 90339, 6895877, 20687631

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687630
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687631 can be divided by 8 positive divisors. The sum of these divisors (counting 20687631) is 1, the average is 0.125.

Base conversion 20687631

Base System Value
2 Binary 1001110111010101100001111
3 Ternary 1102221001002120
4 Quaternary 1032322230033
5 Quinary 20244001011
6 Senary 2015224023
8 Octal 116725417
10 Decimal 20687631
12 Duodecimal 6b18013
16 Hexadecimal 13bab0f
20 Vigesimal 695j1b
36 Base36 cbeof

Cryptographic Hash Functions

md5 fe9438ed36c5fc186d8b1261adeec3ac
sha1 c79d9dfad0df911f56c5bd165eb0d0cf7d8460b8
sha256 05ad85ab0251ad1448a4d76ca4a0d4593b4daa409b6abd4bfb788d891ee3e458
sha512 fd9c1323fe5bebbf2511f1b96d232365c0eaf5f545add601783f1c5e337de60be7334427daac8b0303b15e0a0b85e12765c962ddbe90e72eff14159f220dcfc8
ripemd-160 115104d38474bbb6b5441f40b78afe2def9203f9

20687631 as geometric shapes

Circle

Radius = n
Diameter 41375262
Circumference 129984219.13955
Area 1.3445327806911E+15

Sphere

Radius = n
Volume 3.7086930712455E+22
Surface area 5.3781311227644E+15
Circumference 129984219.13955

Square

Length = n
Perimeter 82750524
Area 427978076392161
Diagonal 29256728.33357

Cube

Length = n
Surface area 2567868458352966
Volume 8.8538525204908E+21
Space diagonal 35832027.980237

Equilateral Triangle

Length = n
Perimeter 62062893
Area 1.853199432092E+14
Altitude 17916013.990118

Triangular Pyramid

Length = n
Surface area 1.853199432092E+14
Volume 1.0434365261441E+21
Height 9752242.7778567